LocationLists: Amps & Effects, within 25 miles of Washington, DC 36 stores match across 7 lists (115 listings, 79 duplicates removed). Price for 36 stores from 2 lists: $2.28 by card. One spreadsheet with a source_dataset column naming each row's list. That is every match. Add total= to buy fewer. Buying the 2 whole lists instead: $138. The file is the list as published. Add the essentials (county population, median household income and median age) or a group of area data to every row below. Add more area data to every row (each link reloads this answer with those columns added, and the buy link then delivers them): - Add the essentials: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=25&area_columns=county:population,median_household_income,median_age - Census demographics: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=25&area_columns=county:population,households,median_household_income,median_age,pct_65_plus,pct_bachelors_plus,housing_units,owner_occupied_share,median_home_value,population_estimate,population_growth_since_2020,pct_under_18,pct_5_to_14,pct_households_with_people_under_18 - Business activity by industry: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=25&area_columns=county:establishments,employees,agriculture_establishments,mining_establishments,utilities_establishments,construction_establishments,manufacturing_establishments,wholesale_trade_establishments,retail_trade_establishments,transportation_establishments,information_establishments,finance_establishments,real_estate_establishments,professional_establishments,management_establishments,administrative_establishments,educational_services_establishments,health_care_establishments,arts_establishments,accommodation_establishments,other_services_establishments - Weather normals: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=25&area_columns=county:january_high,july_high,annual_high,january_low,july_low,annual_low,annual_precipitation,annual_cooling_degree_days,annual_heating_degree_days,hottest_month_high,coldest_month_low,annual_snowfall,annual_days_of_highs_reaching_90_f,annual_days_of_highs_reaching_100_f,growing_season_length_20f_50pct - Storms: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=25&area_columns=county:flash_flood_events,flood_events,hail_events,high_wind_events,hurricane_events,lightning_events,thunderstorm_wind_events,tornado_events,wildfire_events,winter_storm_events,strong_tornadoes,storm_injuries,storm_deaths,storm_property_damage,storm_crop_damage - Drought: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=25&area_columns=county:palmer_drought_severity_index,palmer_hydrological_drought_index,modified_palmer_drought_index,palmer_z_index,palmer_drought_severity_index_2025,palmer_hydrological_drought_index_2025,modified_palmer_drought_index_2025,palmer_z_index_2025 - Building stock: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=25&area_columns=county:buildings,multi_story_buildings,mid_rise_buildings,high_rise_buildings,buildings_4_floors_plus,buildings_8_floors_plus,share_with_floors_published,share_with_height_published,building_footprint_area,estimated_floor_area,average_building_height,tallest_building_height - Housing market and new construction: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=25&area_columns=county:typical_home_value,home_value_change_1_year,typical_rent,rent_change_1_year,price_to_rent_ratio,housing_units_permitted_last_12_months,single_family_units_permitted_last_12_months,housing_units_permitted_per_1000_homes - Household income from tax returns: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=25&area_columns=county:tax_returns,average_adjusted_gross_income,average_wages,share_income_up_to_25k,share_income_200k_plus,share_income_100k_plus,share_with_business_income,share_with_capital_gains,share_elderly_returns,share_with_earned_income_credit,effective_federal_tax_rate - Hazard risk: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=25&area_columns=county:national_risk_index_score,national_risk_index_rating_level,expected_annual_loss,expected_annual_loss_to_buildings,social_vulnerability_score,community_resilience_score,avalanche_expected_annual_loss,coastal_flooding_expected_annual_loss,cold_wave_expected_annual_loss,drought_expected_annual_loss,earthquake_expected_annual_loss,hail_expected_annual_loss,heat_wave_expected_annual_loss,hurricane_expected_annual_loss,ice_storm_expected_annual_loss,landslide_expected_annual_loss,lightning_expected_annual_loss,inland_flooding_expected_annual_loss,strong_wind_expected_annual_loss,tornado_expected_annual_loss,tsunami_expected_annual_loss,volcanic_activity_expected_annual_loss,wildfire_expected_annual_loss,winter_weather_expected_annual_loss - Agriculture: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=25&area_columns=county:livestock_sales,cattle_inventory,crop_sales,average_producer_age,producers,farm_production_expenses,hired_farm_workers,cropland_acres,harvested_cropland_acres,land_and_buildings_value,land_and_buildings_value_per_acre,irrigated_acres,pastureland_acres,land_in_farms,average_farm_size,share_of_land_in_farms,farms,machinery_value,average_machinery_value_per_farm,tractors,market_value_of_products_sold,average_sales_per_farm,net_cash_farm_income Buy 36 rows · $2.28 (card, no account needed): https://locationlists.com/find/buy?category=amps-and-effects&near=Washington+DC&radius=25 Email me this quote (free, pay later): https://locationlists.com/find/quote?category=amps-and-effects&near=Washington+DC&radius=25 Counts by list: - Amps & Effects Brand Retailers: 45 match, 35 in this purchase. https://locationlists.com/find?dataset=amps-and-effects-brand-retailers&near=Washington+DC&radius=25 - Orange Amplification Retailers: 26 match. https://locationlists.com/find?dataset=orange-amplification-retailers&near=Washington+DC&radius=25 - Electro-Harmonix Retailers: 18 match, 1 in this purchase. https://locationlists.com/find?dataset=electro-harmonix-retailers&near=Washington+DC&radius=25 - EarthQuaker Devices Retailers: 8 match. https://locationlists.com/find?dataset=earthquaker-devices-retailers&near=Washington+DC&radius=25 - Walrus Audio Retailers: 8 match. https://locationlists.com/find?dataset=walrus-audio-retailers&near=Washington+DC&radius=25 - Peavey Retailers: 6 match. https://locationlists.com/find?dataset=peavey-retailers&near=Washington+DC&radius=25 - Strymon Retailers: 4 match. https://locationlists.com/find?dataset=strymon-retailers&near=Washington+DC&radius=25 Preview (3 fixed sample row(s) from these lists, the same for every question — not a sample of your 36 matches): - 248 St. John St. Union Station Plaza, Portland, ME 04102 · 1 (207) 774-2219 [electro-harmonix-retailers] — does not match your question - 4623 Old Seward Hwy, Anchorage, AK 99503 · (907) 561-7001 [amps-and-effects-brand-retailers] — does not match your question - 970 North Point Dr Suite A120, Alpharetta, GA 30022 · (678) 893-0870 [amps-and-effects-brand-retailers] — does not match your question Where the matches are, by county (counts only, no names or contact details; 12 counties): - Montgomery County, MD: 31 - Fairfax County, VA: 31 - Prince George's County, MD: 14 - Anne Arundel County, MD: 9 - Alexandria city, VA: 9 - Charles County, MD: 4 - Howard County, MD: 4 - Falls Church city, VA: 4 - Fairfax city, VA: 3 - District of Columbia, DC: 2 - and 2 more counties (see https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=25&format=json) Free map of these counts: https://locationlists.com/find/map?category=amps-and-effects&near=Washington+DC&radius=25 The same counts by ZIP code: https://locationlists.com/find?areas=zip&category=amps-and-effects&near=Washington+DC&radius=25 Other ways to ask this: - Wider: within 50 miles of Washington DC: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=50 - Narrower: within 13 miles of Washington DC: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=13 - Counts per county instead of rows: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=25&areas=county - Counts per ZIP code instead of rows: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=25&areas=zip Technical details (developers and AI agents): JSON: https://locationlists.com/find?category=amps-and-effects&near=Washington+DC&radius=25&format=json · Nothing is charged until checkout is paid. · Pay by x402 in USDC: POST https://locationlists.com/api/x402/query with these arguments as JSON, $1.91 in one payment.